Number Sense

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Pythagorean Triples and coloring

Algebra Number Sense Geometry Math and Art
Pythagorean triples are not only handy for students to recognize but produce some interesting and lovely patterns.  We've combined a little coloring with our Pythagorean Triple pattern invest...

Choosing the NBA All-Star team

Algebra Number Sense Sports Current events Ratio and Proportion
The weekend of February 14 - 16 will be all about the NBA All-Stars. The two team captains are Giannis Antetokounmpo (Milwaukee Bucks) and LeBron James (Los Angeles Lakers). These guys ...

V-o-r-t-e-x

Number Sense Math and Science Current events
Weather temperatures have been extreme in the World lately. Australia is experiencing an unprecedented heat wave and the U.S. is experiencing a Polar Vortex.  Let your students examine ...

Bowling Deals

Algebra Number Sense Sports Ratio and Proportion Data and probability
Is there a general way to figure how much its going to cost you (and your friends) to go bowling? Should you pay per game?  Or bowl per hour?  Don't forget that you'll need to rent sho...

Checking in on LeBron

Number Sense Sports
Now the that season is underway let’s check in on how Cleveland and the Lakers are doing since LeBron changed teams. LeBron is arguably the best player in the NBA and a tremendous addition to a team...

Huge diamond found in Canada

Number Sense Geometry Math and Science Ratio and Proportion Data and probability
552-carat diamond found in Diavik Mine, Northwest Territories, Canada Can you tell just how big this gem is?  Do you know how big a carat is? What would this look like on a ring on you...

New Horizons spacecraft just flew by a really distant asteroid

Algebra Number Sense Math and Science Current events Ratio and Proportion Data and probability
Brian May, the lead guitarist of the rock band, Queen, is also an astrophysicist and one of the science team collaborators of the New Horizons space program. The video below is the song that he wrot...

Everything is awesome: Digesting a Lego head

Algebra Number Sense Math and Science Data and probability
Recently scientists in the UK and Australia did a study for the Journal of Pediatrics and Child Health to verify the time it takes for a small plastic object (Lego head) to pass through...

Moneymaking holiday movies

Number Sense Holidays and Annual Events Data and probability
Which movie do you think is the highest grossing holiday movie of all time (click on the movie to see its trailer)? How the Grinch Stole Christmas,  Elf,  The Santa Clause &nbs...

Weird wing prices

Algebra Number Sense Math and Food Ratio and Proportion 3-act tasks Data and probability
Clicking on this image will show it larger in a new window. Danny's Wok in Philadelphia has a huge price list for ordering their famous chicken wings. Why did they write the prices this w...
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